TY  - JOUR
AU  - Kartalović, Nenad M.
AU  - Stanković, Koviljka
AU  - Nikezić, Dušan P.
AU  - Kovačević, Uroš
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9608
AB  - The effect of gamma radiation on the reliable measurement of single voltage pulses of electron beam injectors into plasma during fusion experiments is considered in the manuscript. For this purpose, a 10 GHz fast voltage divider was constructed. The high-voltage capacitor was a gas condenser, and the low-voltage capacitor was a parallel connection of 10 mica capacitors. It turned out that the received radiation dose corrects the transmission ratio since it aligns the frequency characteristic of the mica in the area of spatial charge. This phenomenon has been explained from both a positive and a negative aspect with an effect on the concrete application. The need for further research on this problem was also pointed out to establish a saturation dose and thus obtain a constant frequency characteristic of the mica. The interest in the fast-divider behavior in the neutron field is also highlighted. © 2020 Informa UK Limited, trading as Taylor & Francis Group.
T2  - Radiation Effects and Defects in Solids
T1  - Dose effect of gamma radiation on reliable voltage pulse measurement in nuclear fusion experiments
VL  - 176
IS  - 3-4
SP  - 243
EP  - 254
DO  - 10.1080/10420150.2020.1812074
ER  - 

@article{
author = "Kartalović, Nenad M. and Stanković, Koviljka and Nikezić, Dušan P. and Kovačević, Uroš",
year = "2021",
abstract = "The effect of gamma radiation on the reliable measurement of single voltage pulses of electron beam injectors into plasma during fusion experiments is considered in the manuscript. For this purpose, a 10 GHz fast voltage divider was constructed. The high-voltage capacitor was a gas condenser, and the low-voltage capacitor was a parallel connection of 10 mica capacitors. It turned out that the received radiation dose corrects the transmission ratio since it aligns the frequency characteristic of the mica in the area of spatial charge. This phenomenon has been explained from both a positive and a negative aspect with an effect on the concrete application. The need for further research on this problem was also pointed out to establish a saturation dose and thus obtain a constant frequency characteristic of the mica. The interest in the fast-divider behavior in the neutron field is also highlighted. © 2020 Informa UK Limited, trading as Taylor & Francis Group.",
journal = "Radiation Effects and Defects in Solids",
title = "Dose effect of gamma radiation on reliable voltage pulse measurement in nuclear fusion experiments",
volume = "176",
number = "3-4",
pages = "243-254",
doi = "10.1080/10420150.2020.1812074"
}

Kartalović, N. M., Stanković, K., Nikezić, D. P.,& Kovačević, U.. (2021). Dose effect of gamma radiation on reliable voltage pulse measurement in nuclear fusion experiments. in Radiation Effects and Defects in Solids, 176(3-4), 243-254.
https://doi.org/10.1080/10420150.2020.1812074

Kartalović NM, Stanković K, Nikezić DP, Kovačević U. Dose effect of gamma radiation on reliable voltage pulse measurement in nuclear fusion experiments. in Radiation Effects and Defects in Solids. 2021;176(3-4):243-254.
doi:10.1080/10420150.2020.1812074 .

Kartalović, Nenad M., Stanković, Koviljka, Nikezić, Dušan P., Kovačević, Uroš, "Dose effect of gamma radiation on reliable voltage pulse measurement in nuclear fusion experiments" in Radiation Effects and Defects in Solids, 176, no. 3-4 (2021):243-254,
https://doi.org/10.1080/10420150.2020.1812074 . .

TY  - JOUR
AU  - Kartalović, Nenad M.
AU  - Đekić, Saška D.
AU  - Đekić, Saša B.
AU  - Ramadani, Uzahir
AU  - Nikezić, Dušan P.
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10438
AB  - Quantum mechanics consideration, supported by a concrete example, yielded standard sources of di rect volt age mea sured by frequency (which is the most ac cu rate measur able phys-ical quantity) and extremely sensitive instrument for measuring magnetic induction SQUID (which is an ac ro nym based on the term Supercon duct ing Quan tum Inter fer ence Device). The pos sibility of these mea sure ments is based on the Josephson junc tion. In this paper, the in flu ence of gamma ra diation on the mea sure ment un cer tainty Type A, of a com mercial Josephson compound, is investi gated. The conclu sion is that both dy namic gamma radiation and the dose of gamma ra di ation, un der the con ditions of the ex per iment, have a neg ligible ef-fect on the mea sure ment uncer tainty of the Josephson junc tion. Based on the ob tained re sult, it was con cluded that in the primary metrological con di tions, the mea sure ment un cer tainty type A of the Josephson junc tion is neg ligible, i. e., that the secondary cosmic radiation does not af fect the stan dard of the DC volt age source. © 2021, Vinca Inst Nuclear Sci. All rights reserved.
T2  - Nuclear Technology and Radiation Protection
T1  - In fluence of gamma radiation on Josephson junction
VL  - 36
IS  - 4
SP  - 352
EP  - 357
DO  - 10.2298/NTRP2104352K
ER  - 

@article{
author = "Kartalović, Nenad M. and Đekić, Saška D. and Đekić, Saša B. and Ramadani, Uzahir and Nikezić, Dušan P.",
year = "2021",
abstract = "Quantum mechanics consideration, supported by a concrete example, yielded standard sources of di rect volt age mea sured by frequency (which is the most ac cu rate measur able phys-ical quantity) and extremely sensitive instrument for measuring magnetic induction SQUID (which is an ac ro nym based on the term Supercon duct ing Quan tum Inter fer ence Device). The pos sibility of these mea sure ments is based on the Josephson junc tion. In this paper, the in flu ence of gamma ra diation on the mea sure ment un cer tainty Type A, of a com mercial Josephson compound, is investi gated. The conclu sion is that both dy namic gamma radiation and the dose of gamma ra di ation, un der the con ditions of the ex per iment, have a neg ligible ef-fect on the mea sure ment uncer tainty of the Josephson junc tion. Based on the ob tained re sult, it was con cluded that in the primary metrological con di tions, the mea sure ment un cer tainty type A of the Josephson junc tion is neg ligible, i. e., that the secondary cosmic radiation does not af fect the stan dard of the DC volt age source. © 2021, Vinca Inst Nuclear Sci. All rights reserved.",
journal = "Nuclear Technology and Radiation Protection",
title = "In fluence of gamma radiation on Josephson junction",
volume = "36",
number = "4",
pages = "352-357",
doi = "10.2298/NTRP2104352K"
}

Kartalović, N. M., Đekić, S. D., Đekić, S. B., Ramadani, U.,& Nikezić, D. P.. (2021). In fluence of gamma radiation on Josephson junction. in Nuclear Technology and Radiation Protection, 36(4), 352-357.
https://doi.org/10.2298/NTRP2104352K

Kartalović NM, Đekić SD, Đekić SB, Ramadani U, Nikezić DP. In fluence of gamma radiation on Josephson junction. in Nuclear Technology and Radiation Protection. 2021;36(4):352-357.
doi:10.2298/NTRP2104352K .

Kartalović, Nenad M., Đekić, Saška D., Đekić, Saša B., Ramadani, Uzahir, Nikezić, Dušan P., "In fluence of gamma radiation on Josephson junction" in Nuclear Technology and Radiation Protection, 36, no. 4 (2021):352-357,
https://doi.org/10.2298/NTRP2104352K . .

TY  - JOUR
AU  - Gajić-Kvaščev, Maja
AU  - Marić-Stojanović, Milica
AU  - Jančić-Heinemann, Radmila
AU  - Kvascev, Goran S.
AU  - Andrić, Velibor
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5249
AB  - Background: Portable energy dispersive X-ray fluorescence (pEDXRF) spectrometry analysis was applied for the characterisation of archaeological ceramic findings from three Neolithic sites in Serbia. Two dimension reduction techniques, principal component analysis (PCA) and scattering matrices-based dimension reduction were used to examine the possible classification of those findings, and to extract the most discriminant features. Results: A decision-making procedure is proposed, whose goal is to classify unknown ceramic findings based on their elemental compositions derived by pEDXRF spectrometry. As a major part of decision-making procedure, the possibilities of two dimension reduction methods were tested. Scattering matrices-based dimension reduction was found to be the more efficient method for the purpose. Linear classifiers designed based on the desired output allowed for 7 of 8 unknown samples from the test set to be correctly classified. Conclusions: Based on the results, the conclusion is that despite the constraints typical of the applied analytical technique, the elemental composition can be considered as viable information in provenience studies. With a fully-developed procedure, ceramic artefacts can be classified based on their elemental composition and well-known provenance.
T2  - Chemistry Central Journal
T1  - Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition
VL  - 6
DO  - 10.1186/1752-153X-6-102
ER  - 

@article{
author = "Gajić-Kvaščev, Maja and Marić-Stojanović, Milica and Jančić-Heinemann, Radmila and Kvascev, Goran S. and Andrić, Velibor",
year = "2012",
abstract = "Background: Portable energy dispersive X-ray fluorescence (pEDXRF) spectrometry analysis was applied for the characterisation of archaeological ceramic findings from three Neolithic sites in Serbia. Two dimension reduction techniques, principal component analysis (PCA) and scattering matrices-based dimension reduction were used to examine the possible classification of those findings, and to extract the most discriminant features. Results: A decision-making procedure is proposed, whose goal is to classify unknown ceramic findings based on their elemental compositions derived by pEDXRF spectrometry. As a major part of decision-making procedure, the possibilities of two dimension reduction methods were tested. Scattering matrices-based dimension reduction was found to be the more efficient method for the purpose. Linear classifiers designed based on the desired output allowed for 7 of 8 unknown samples from the test set to be correctly classified. Conclusions: Based on the results, the conclusion is that despite the constraints typical of the applied analytical technique, the elemental composition can be considered as viable information in provenience studies. With a fully-developed procedure, ceramic artefacts can be classified based on their elemental composition and well-known provenance.",
journal = "Chemistry Central Journal",
title = "Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition",
volume = "6",
doi = "10.1186/1752-153X-6-102"
}

Gajić-Kvaščev, M., Marić-Stojanović, M., Jančić-Heinemann, R., Kvascev, G. S.,& Andrić, V.. (2012). Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition. in Chemistry Central Journal, 6.
https://doi.org/10.1186/1752-153X-6-102

Gajić-Kvaščev M, Marić-Stojanović M, Jančić-Heinemann R, Kvascev GS, Andrić V. Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition. in Chemistry Central Journal. 2012;6.
doi:10.1186/1752-153X-6-102 .

Gajić-Kvaščev, Maja, Marić-Stojanović, Milica, Jančić-Heinemann, Radmila, Kvascev, Goran S., Andrić, Velibor, "Non-destructive characterisation and classification of ceramic artefacts using pEDXRF and statistical pattern recognition" in Chemistry Central Journal, 6 (2012),
https://doi.org/10.1186/1752-153X-6-102 . .